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  2. Radiant heating and cooling - Wikipedia

    en.wikipedia.org/wiki/Radiant_heating_and_cooling

    Heat radiation is the energy in the form of electromagnetic waves emitted by a solid, liquid, or gas as a result of its temperature. [37] In buildings, the radiant heat flow between two internal surfaces (or a surface and a person) is influenced by the emissivity of the heat emitting surface and by the view factor between this surface and the ...

  3. Heat transfer - Wikipedia

    en.wikipedia.org/wiki/Heat_transfer

    An example of steady state conduction is the heat flow through walls of a warm house on a cold day—inside the house is maintained at a high temperature and, outside, the temperature stays low, so the transfer of heat per unit time stays near a constant rate determined by the insulation in the wall and the spatial distribution of temperature ...

  4. Thermal conductance and resistance - Wikipedia

    en.wikipedia.org/wiki/Thermal_conductance_and...

    It quantifies how effectively a material can resist the transfer of heat through conduction, convection, and radiation. It has the units square metre kelvins per watt (m 2 ⋅K/W) in SI units or square foot degree Fahrenheit–hours per British thermal unit (ft 2 ⋅°F⋅h/Btu) in imperial units. The higher the thermal insulance, the better a ...

  5. Space heater - Wikipedia

    en.wikipedia.org/wiki/Space_heater

    Avoiding the use of heaters near flammable materials such as paint or gasoline. Installing smoke alarms and carbon monoxide detectors nearby. The risk of fire (and burns) is sometimes less with oil-filled heaters than those with fans, [ 8 ] [ 9 ] but some fan-assisted heaters have a lower risk of fire (and burns) than other oil-filled heaters.

  6. Building insulation material - Wikipedia

    en.wikipedia.org/wiki/Building_insulation_material

    It can be used as internal insulation : between studs, joists or ceiling rafters, under timber floors to reduce sound transmittance, against masonry walls or externally : using a rain screen cladding or roofing, or directly plastered/rendered, [26] over timber rafters or studs or masonry structures as external insulation to reduce thermal ...

  7. UV radiation vs. chemicals in sunscreen: Which is a bigger ...

    www.aol.com/mineral-sunscreen-chemical-sunscreen...

    Mineral sunscreens form a barrier between the skin and the sun's rays, while chemical sunscreens bind to the top layer of skin and transform UV rays into heat that disperses, said researcher Dr ...

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